<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
  {{template "header" .}}
  <h1>这是登录</h1>
<h2>用户名：{{.Name}}</h2>
<h2>年龄：{{.Age}}</h2>
</body>
</html>